With more than 40 years of experience, American Wheatley HVAC brand products have established a reputation for providing dependable products to the HVAC industry. The Plugaroo/TDV™ is an industry standard. In addition to our complete line of tanks, strainers and valve products, we are committed to bringing you the latest in HVAC technology from all over the world. This commitment is your assurance of receiving the best products the industry has to offer.